public Matrix3x3(Matrix3x3 Other)
{
M00 = Other.M00;
M01 = Other.M01;
M02 = Other.M02;
M10 = Other.M10;
M11 = Other.M11;
M12 = Other.M12;
M20 = Other.M20;
M21 = Other.M21;
M22 = Other.M22;
}
public Matrix3x3 Translate(float x, float y)
{
return (this *= new Matrix3x3(1, 0, x, 0, 1, y, 0, 0, 1));
}
public Matrix3x3 Set(Matrix3x3 Other)
{
M00 = Other.M00;
M01 = Other.M01;
M02 = Other.M02;
M10 = Other.M10;
M11 = Other.M11;
M12 = Other.M12;
M20 = Other.M20;
M21 = Other.M21;
M22 = Other.M22;
return this;
}
public Matrix3x3 Scale(float x, float y)
{
return (this *= new Matrix3x3(x, 0, 0, 0, y, 0, 0, 0, 1));
}
public Matrix3x3 Rotate(float rad)
{
float s = (float)Math.Sin(rad);
float c = (float)Math.Cos(rad);
return (this *= new Matrix3x3(c, -s, 0, s, c, 0, 0, 0, 1));
}
public static Matrix3x3 operator *(Matrix3x3 a, Matrix3x3 b)
{
Matrix3x3 r = new Matrix3x3();
for (int y = 0; y < 3; y++)
for (int x = 0; x < 3; x++)
r[x, y] = (a[x, 0] * b[0, y]) + (a[x, 1] * b[1, y]) + (a[x, 2] * b[2, y]);
return r;
}